Learning Objectives
5 objectives- Understand the fundamental principles and applications of bioprocess engineering.
- Analyze microbial bioprocesses including fermentation and enzyme production with optimization techniques.
- Design and operate bioreactors considering scale-up and process control requirements.
- Apply downstream processing techniques for separation and purification of biological products.
- Develop skills in bioprocess modeling, simulation, control, and compliance with safety regulations.
Content Outline
PreviewUnit 638: Bioprocess Engineering
1. Introduction to Bioprocess Engineering
- Definition and scope of bioprocess engineering
- Application of engineering principles to biological systems
- Importance of bioprocesses in pharmaceuticals, food, agriculture, environment, and biofuels
- Basic concepts: biocatalysts, substrates, products, and bioprocess flow
2. Microbial Bioprocesses
- Role of microorganisms in bioprocess engineering
- Types of microbial processes: batch, fed-batch, continuous
- Fermentation processes: aerobic and anaerobic
- Enzyme production and applications
- Microbial growth kinetics: phases, models (Monod, logistic)
- Optimization strategies for microbial processes: media composition, environmental factors
3. Bioreactor Design and Operation
- Types of bioreactors: stirred tank, airlift, bubble column, packed bed
- Design considerations: volume, geometry, material
- Mixing and agitation: impeller types, power input, shear effects
- Aeration and oxygen transfer: mass transfer coefficients, spargers
- Sterilization methods: in situ sterilization, steam sterilization
- Scale-up fundamentals: geometric, kinematic, and dynamic similarities
4. Downstream Processing in Bioprocessing
- Overview of downstream processing and its importance
- Separation techniques:
- Filtration: microfiltration, ultrafiltration
- Centrifugation: types and principles
- Chromatography: ion exchange, affinity, size exclusion
- Drying methods: spray drying, freeze drying
- Purification and concentration strategies
5. Bioprocess Kinetics
- Enzyme kinetics: Michaelis-Menten model, inhibition types
- Microbial growth kinetics: substrate utilization, product formation
- Mathematical modeling of bioprocesses: mass balances, rate equations
- Parameter estimation and data fitting
6. Bioprocess Control and Automation
- Importance of process control in maintaining product quality and yield
- Control strategies: feedback, feedforward, cascade control
- Instrumentation: sensors, actuators, controllers
- Data acquisition and analysis
- Implementation of automated control systems and SCADA
7. Bioprocess Scale-Up
- Challenges in scaling up bioprocesses
- Factors affecting scale-up: mass transfer, heat transfer, mixing
- Scale-up criteria: constant power input, constant tip speed, oxygen transfer rate
- Case studies and practical considerations
8. Bioprocess Modeling and Simulation
- Role of modeling and simulation in process optimization
- Types of models: deterministic, stochastic, mechanistic
- Software tools and platforms for bioprocess simulation
- Sensitivity analysis and scenario testing
- Optimization techniques for process parameters
9. Bioprocess Safety and Regulations
- Biohazard classification and handling protocols
- Waste management in bioprocess industries
- Quality control and assurance practices
- Compliance with regulatory standards: FDA, EMA, ISO
- Documentation and reporting requirements
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